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公开(公告)号：US20240030419A1
公开(公告)日：2024-01-25
申请号：US18479135
申请日：2023-10-02
Inventor： TAKASHI OTO , MASAHISA FUJIMOTO
IPC: H01M4/38 , H01M4/134 , H01M4/66 , H01M10/0562 , H01M4/04 , H01M4/1395
CPC classification number: H01M4/38 , H01M4/134 , H01M4/382 , H01M4/661 , H01M10/0562 , H01M4/0404 , H01M4/0452 , H01M4/0471 , H01M4/1395 , H01M2300/008
Abstract: A battery includes a first electrode, a second electrode, and a solid electrolyte layer disposed between the first electrode and the second electrode, the first electrode includes a current collector and an active material layer disposed between the current collector and the solid electrolyte layer, the active material layer contains Bi3Ni, and the Bi3Ni has a crystal structure of space group Pnma.
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公开(公告)号：US20240030418A1
公开(公告)日：2024-01-25
申请号：US18479134
申请日：2023-10-02
Inventor： TAKASHI OTO , MASAHISA FUJIMOTO
IPC: H01M4/38 , H01M4/66 , H01M10/0562 , H01M4/04 , H01M4/134 , H01M4/1395
CPC classification number: H01M4/38 , H01M4/382 , H01M4/661 , H01M10/0562 , H01M4/0404 , H01M4/0452 , H01M4/0471 , H01M4/134 , H01M4/1395 , H01M2300/008
Abstract: A battery includes a first electrode, a second electrode, and a solid electrolyte layer disposed between the first electrode and the second electrode, the first electrode includes a current collector and an active material layer disposed between the current collector and the solid electrolyte layer, the active material layer contains BiNi, and the BiNi has a crystal structure of space group C2/m.
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公开(公告)号：US20230343998A1
公开(公告)日：2023-10-26
申请号：US18342770
申请日：2023-06-28
Inventor： TAKASHI OTO , MASAHISA FUJIMOTO
CPC classification number: H01M10/0562 , H01M4/366 , H01M4/661 , H01M4/505 , H01M4/525 , H01M4/58 , H01M10/052
Abstract: A battery includes a first electrode, a second electrode, and a solid electrolyte layer disposed between the first electrode and the second electrode, in which the first electrode includes a current collector and an active material layer disposed between the current collector and the solid electrolyte layer, and the active material layer contains Bi as a main component of an active material.
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公开(公告)号：US20220216514A1
公开(公告)日：2022-07-07
申请号：US17705446
申请日：2022-03-28
Inventor： HONAMI SAKO , MASAHISA FUJIMOTO
IPC: H01M10/0565 , H01M10/0525 , H01M10/0569 , H01M10/0568 , C08F122/04 , C08K3/30
Abstract: A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolyte disposed between the positive electrode and the negative electrode. The electrolyte includes a polymeric electrolyte. The polymeric electrolyte is composed of a polymer and a lithium salt of a fluorosulfonyl-group-containing compound, and the polymer is a polymer of a vinylene carbonate species. The lithium salt of a fluorosulfonyl-group-containing compound includes lithium bis(fluorosulfonyl)imide.
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公开(公告)号：US20210359325A1
公开(公告)日：2021-11-18
申请号：US17386232
申请日：2021-07-27
Inventor： HONAMI SAKO , MASAHISA FUJIMOTO , HIROKI YABE , SHUJI ITO
IPC: H01M8/18
Abstract: A redox flow battery includes a negative electrode; a positive electrode; a first liquid which contains a first nonaqueous solvent, a first redox species, and metal ions and which is in contact with the negative electrode; a second liquid which contains a second nonaqueous solvent and which is in contact with the positive electrode; and a metal ion-conducting membrane disposed between the first liquid and the second liquid. The metal ion-conducting membrane contains a plurality of inorganic particles and a binder which contains an organic polymer and which binds the inorganic particles together.
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Patent Agency Ranking
公开(公告)号：US20210280890A1
公开(公告)日：2021-09-09
申请号：US17327853
申请日：2021-05-24
Inventor： MASAHISA FUJIMOTO , SHUJI ITO , YU OTSUKA , YUKA OKADA
IPC: H01M8/18 , H01M8/0247 , H01M8/04186
Abstract: A redox flow battery includes a first nonaqueous liquid that contains a first nonaqueous solvent, a first electrode mediator, and metal ions; a first electrode at least in part in contact with the first nonaqueous liquid; a second nonaqueous liquid that contains a second nonaqueous solvent; a second electrode that is a counter electrode with respect to the first electrode and is at least in part in contact with the second nonaqueous liquid; and a separator that has a plurality of pores and separates the first and second nonaqueous liquids from each other. The plurality of pores have an average diameter larger than a size of each of the metal ions and smaller than a size of an aggregate containing molecules of the first electrode mediator solvated with the first nonaqueous solvent.
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公开(公告)号：US20200373621A1
公开(公告)日：2020-11-26
申请号：US16989906
申请日：2020-08-11
Inventor： MASAHISA FUJIMOTO
IPC: H01M10/0567 , H01M10/0525 , H01M10/0569 , H01M4/134
Abstract: The lithium secondary battery of the present disclosure comprises an anode including an anode current collector and an anode active material; an electrolyte liquid; and a cathode including a cathode active material layer disposed on a cathode current collector. The anode includes a material capable of forming an alloy with lithium during charge. The electrolyte liquid contains lithium ions and the counter anions thereof, contains at least one substance selected from the group consisting of phenanthrene, biphenyl, triphenylene, acenaphthene, acenaphthylene, fluoranthene, and benzyl at a concentration of not less than 0.00625 mol/L and not more than 0.05 mol/L, and includes, as a solvent, at least one selected from the group consisting of a cyclic ether, a glyme, and a sulfolane.
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公开(公告)号：US20240347715A1
公开(公告)日：2024-10-17
申请号：US18294194
申请日：2022-07-27
Inventor： MASAHISA FUJIMOTO , TAKASHI OTO
IPC: H01M4/40 , H01M4/134 , H01M4/66 , H01M10/0569
CPC classification number: H01M4/405 , H01M4/134 , H01M4/661 , H01M10/0569 , H01M2300/0034
Abstract: Battery according to the present disclosure includes first electrode, second electrode, and electrolytic solution. First electrode includes a base material that is a porous body and an active material layer positioned on a surface of the base material. The active material layer contains Bi. The active material layer may contain Bi as a main component of an active material. In battery, for example, first electrode may be a negative electrode, and second electrode may be a positive electrode.
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公开(公告)号：US20240347702A1
公开(公告)日：2024-10-17
申请号：US18294192
申请日：2022-07-27
Inventor： MASAHISA FUJIMOTO , TAKASHI OTO
IPC: H01M4/36 , H01M4/02 , H01M4/38 , H01M10/052 , H01M10/0568 , H01M10/0569
CPC classification number: H01M4/366 , H01M4/38 , H01M10/052 , H01M10/0568 , H01M10/0569 , H01M2004/027 , H01M2300/0028
Abstract: Battery according to the present disclosure includes first electrode, second electrode, and electrolyte solution. First electrode includes a base material that is a porous body and an active material layer located on a surface of the base material. The active material layer contains an alloy containing Bi and Ni. The active material layer may contain an alloy containing Bi and Ni as a main component of the active material. In battery, for example, first electrode may be a negative electrode, and second electrode may be a positive electrode.
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公开(公告)号：US20220255083A1
公开(公告)日：2022-08-11
申请号：US17728987
申请日：2022-04-26
Inventor： MASAHISA FUJIMOTO
IPC: H01M4/66 , H01M10/0569
Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode capable of occluding and releasing lithium, a negative electrode including a negative electrode current collector, and an electrolyte solution including a solvent. In the nonaqueous electrolyte secondary battery, lithium metal precipitates on the negative electrode during charging. The lithium metal dissolves in the electrolyte solution during discharging. The solvent is composed only of vinylene carbonate.
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